The aim of this paper is to identify the characteristics that leadership must have in order to make a Professional Learning Community sustainable. A review of the literature is carried out from a qualitative perspective allowing us to identify a set of emerging themes from the literature studied. Among the results, it is highlighted that in order to achieve professional learning communities with sustainable leadership, it is necessary to distribute responsibilities, reflect jointly on what is taught and why, establish external relations with other institutions and schools, and care the emotional well-being of members of a school community.